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#ifndef PIXELFB_H
#define PIXELFB_H
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <linux/fb.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
typedef struct {
int fd;
uint8_t *buf;
int width;
int height;
int bpp;
size_t screensize;
struct fb_var_screeninfo vinfo;
struct fb_fix_screeninfo finfo;
} FBContext;
// Simple RGB macro
static inline uint32_t rgb(uint8_t r, uint8_t g, uint8_t b) {
return (r<<16)|(g<<8)|b;
}
static int fb_open(FBContext *fb) {
fb->fd = open("/dev/fb0", O_RDWR);
if(fb->fd < 0) return -1;
if(ioctl(fb->fd, FBIOGET_FSCREENINFO, &fb->finfo) < 0) return -1;
if(ioctl(fb->fd, FBIOGET_VSCREENINFO, &fb->vinfo) < 0) return -1;
fb->width = fb->vinfo.xres;
fb->height = fb->vinfo.yres;
fb->bpp = fb->vinfo.bits_per_pixel;
fb->screensize = fb->height * fb->finfo.line_length;
fb->buf = mmap(NULL, fb->screensize, PROT_READ|PROT_WRITE, MAP_SHARED, fb->fd, 0);
if(fb->buf == MAP_FAILED) return -1;
return 0;
}
static void fb_close(FBContext *fb) {
if(fb->buf) munmap(fb->buf, fb->screensize);
if(fb->fd >= 0) close(fb->fd);
}
// Write pixel (handles 16/24/32 bpp)
static inline void fb_putpixel(FBContext *fb, int x, int y, uint32_t color) {
if(x<0 || x>=fb->width || y<0 || y>=fb->height) return;
uint8_t *p = fb->buf + y*fb->finfo.line_length + x*(fb->bpp/8);
switch(fb->bpp) {
case 16: { // RGB565
uint16_t c = ((color>>16)&0xF8)<<8 | ((color>>8)&0xFC)<<3 | ((color>>0)&0xF8)>>3;
*(uint16_t*)p = c;
break;
}
case 24:
p[0] = color & 0xFF;
p[1] = (color>>8) & 0xFF;
p[2] = (color>>16) & 0xFF;
break;
case 32:
*(uint32_t*)p = color;
break;
}
}
// Fill background
static void fb_fill(FBContext *fb, uint32_t color) {
for(int y=0;y<fb->height;y++)
for(int x=0;x<fb->width;x++)
fb_putpixel(fb,x,y,color);
}
// Horizontal line
static void fb_hline(FBContext *fb,int x,int y,int length,uint32_t color){
for(int i=0;i<length;i++) fb_putpixel(fb,x+i,y,color);
}
// Vertical line
static void fb_vline(FBContext *fb,int x,int y,int length,uint32_t color){
for(int i=0;i<length;i++) fb_putpixel(fb,x,y+i,color);
}
// Rectangle
static void fb_rect(FBContext *fb,int x,int y,int w,int h,uint32_t color){
for(int j=0;j<h;j++)
for(int i=0;i<w;i++)
fb_putpixel(fb,x+i,y+j,color);
}
unsigned char font8x16[][16] = {
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x00,
{ 0x00, 0x00, 0x7E, 0x81, 0xA5, 0x81, 0x81, 0xBD, 0x99, 0x81, 0x81, 0x7E, 0x00, 0x00, 0x00, 0x00, }, //0x01,
{ 0x00, 0x00, 0x7E, 0xFF, 0xDB, 0xFF, 0xFF, 0xC3, 0xE7, 0xFF, 0xFF, 0x7E, 0x00, 0x00, 0x00, 0x00, }, //0x02,
{ 0x00, 0x00, 0x00, 0x00, 0x6C, 0xFE, 0xFE, 0xFE, 0xFE, 0x7C, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, }, //0x03,
{ 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x7C, 0xFE, 0x7C, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x04,
{ 0x00, 0x00, 0x00, 0x18, 0x3C, 0x3C, 0xE7, 0xE7, 0xE7, 0x18, 0x18, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x05,
{ 0x00, 0x00, 0x00, 0x18, 0x3C, 0x7E, 0xFF, 0xFF, 0x7E, 0x18, 0x18, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x06,
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3C, 0x3C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x07,
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0xC3, 0xC3, 0xE7, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, }, //0x08,
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x3C, 0x66, 0x42, 0x42, 0x66, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x09,
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC3, 0x99, 0xBD, 0xBD, 0x99, 0xC3, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, }, //0x0A,
{ 0x00, 0x00, 0x1E, 0x0E, 0x1A, 0x32, 0x78, 0xCC, 0xCC, 0xCC, 0xCC, 0x78, 0x00, 0x00, 0x00, 0x00, }, //0x0B,
{ 0x00, 0x00, 0x3C, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, }, //0x0C,
{ 0x00, 0x00, 0x3F, 0x33, 0x3F, 0x30, 0x30, 0x30, 0x30, 0x70, 0xF0, 0xE0, 0x00, 0x00, 0x00, 0x00, }, //0x0D,
{ 0x00, 0x00, 0x7F, 0x63, 0x7F, 0x63, 0x63, 0x63, 0x63, 0x67, 0xE7, 0xE6, 0xC0, 0x00, 0x00, 0x00, }, //0x0E,
{ 0x00, 0x00, 0x00, 0x18, 0x18, 0xDB, 0x3C, 0xE7, 0x3C, 0xDB, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, }, //0x0F,
{ 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFE, 0xF8, 0xF0, 0xE0, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, }, //0x10,
{ 0x00, 0x02, 0x06, 0x0E, 0x1E, 0x3E, 0xFE, 0x3E, 0x1E, 0x0E, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00, }, //0x11,
{ 0x00, 0x00, 0x18, 0x3C, 0x7E, 0x18, 0x18, 0x18, 0x7E, 0x3C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x12,
{ 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00, }, //0x13,
{ 0x00, 0x00, 0x7F, 0xDB, 0xDB, 0xDB, 0x7B, 0x1B, 0x1B, 0x1B, 0x1B, 0x1B, 0x00, 0x00, 0x00, 0x00, }, //0x14,
{ 0x00, 0x7C, 0xC6, 0x60, 0x38, 0x6C, 0xC6, 0xC6, 0x6C, 0x38, 0x0C, 0xC6, 0x7C, 0x00, 0x00, 0x00, }, //0x15,
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFE, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, }, //0x16,
{ 0x00, 0x00, 0x18, 0x3C, 0x7E, 0x18, 0x18, 0x18, 0x7E, 0x3C, 0x18, 0x7E, 0x00, 0x00, 0x00, 0x00, }, //0x17,
{ 0x00, 0x00, 0x18, 0x3C, 0x7E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, }, //0x18,
{ 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7E, 0x3C, 0x18, 0x00, 0x00, 0x00, 0x00, }, //0x19,
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x0C, 0xFE, 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x1A,
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x60, 0xFE, 0x60, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x1B, esc
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xC0, 0xC0, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x1C,
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x6C, 0xFE, 0x6C, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x1D,
{ 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x38, 0x7C, 0x7C, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x1E,
{ 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFE, 0x7C, 0x7C, 0x38, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x1F,
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x20, ' '
{ 0x00, 0x00, 0x18, 0x3C, 0x3C, 0x3C, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, }, //0x21, '!'
{ 0x00, 0x66, 0x66, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x22, '"'
{ 0x00, 0x00, 0x00, 0x6C, 0x6C, 0xFE, 0x6C, 0x6C, 0x6C, 0xFE, 0x6C, 0x6C, 0x00, 0x00, 0x00, 0x00, }, //0x23, '#'
{ 0x18, 0x18, 0x7C, 0xC6, 0xC2, 0xC0, 0x7C, 0x06, 0x06, 0x86, 0xC6, 0x7C, 0x18, 0x18, 0x00, 0x00, }, //0x24, '$'
{ 0x00, 0x00, 0x00, 0x00, 0xC2, 0xC6, 0x0C, 0x18, 0x30, 0x60, 0xC6, 0x86, 0x00, 0x00, 0x00, 0x00, }, //0x25, '%'
{ 0x00, 0x00, 0x38, 0x6C, 0x6C, 0x38, 0x76, 0xDC, 0xCC, 0xCC, 0xCC, 0x76, 0x00, 0x00, 0x00, 0x00, }, //0x26, '&'
{ 0x00, 0x30, 0x30, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x27, '''
{ 0x00, 0x00, 0x0C, 0x18, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x0C, 0x00, 0x00, 0x00, 0x00, }, //0x28, '('
{ 0x00, 0x00, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00, }, //0x29, ')'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x2A, '*'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x2B, '+'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, }, //0x2C, '
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x2D, '-'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, }, //0x2E, '.'
{ 0x00, 0x00, 0x00, 0x00, 0x02, 0x06, 0x0C, 0x18, 0x30, 0x60, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, }, //0x2F, '/'
{ 0x00, 0x00, 0x38, 0x6C, 0xC6, 0xC6, 0xD6, 0xD6, 0xC6, 0xC6, 0x6C, 0x38, 0x00, 0x00, 0x00, 0x00, }, //0x30, '0'
{ 0x00, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7E, 0x00, 0x00, 0x00, 0x00, }, //0x31, '1'
{ 0x00, 0x00, 0x7C, 0xC6, 0x06, 0x0C, 0x18, 0x30, 0x60, 0xC0, 0xC6, 0xFE, 0x00, 0x00, 0x00, 0x00, }, //0x32, '2'
{ 0x00, 0x00, 0x7C, 0xC6, 0x06, 0x06, 0x3C, 0x06, 0x06, 0x06, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x33, '3'
{ 0x00, 0x00, 0x0C, 0x1C, 0x3C, 0x6C, 0xCC, 0xFE, 0x0C, 0x0C, 0x0C, 0x1E, 0x00, 0x00, 0x00, 0x00, }, //0x34, '4'
{ 0x00, 0x00, 0xFE, 0xC0, 0xC0, 0xC0, 0xFC, 0x06, 0x06, 0x06, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x35, '5'
{ 0x00, 0x00, 0x38, 0x60, 0xC0, 0xC0, 0xFC, 0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x36, '6'
{ 0x00, 0x00, 0xFE, 0xC6, 0x06, 0x06, 0x0C, 0x18, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, }, //0x37, '7'
{ 0x00, 0x00, 0x7C, 0xC6, 0xC6, 0xC6, 0x7C, 0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x38, '8'
{ 0x00, 0x00, 0x7C, 0xC6, 0xC6, 0xC6, 0x7E, 0x06, 0x06, 0x06, 0x0C, 0x78, 0x00, 0x00, 0x00, 0x00, }, //0x39, '9'
{ 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x3A, ':'
{ 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00, }, //0x3B, ';'
{ 0x00, 0x00, 0x00, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x00, 0x00, 0x00, 0x00, }, //0x3C, '<'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x3D, '='
{ 0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00, }, //0x3E, '>'
{ 0x00, 0x00, 0x7C, 0xC6, 0xC6, 0x0C, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, }, //0x3F, '?'
{ 0x00, 0x00, 0x00, 0x7C, 0xC6, 0xC6, 0xDE, 0xDE, 0xDE, 0xDC, 0xC0, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x40, '@'
{ 0x00, 0x00, 0x10, 0x38, 0x6C, 0xC6, 0xC6, 0xFE, 0xC6, 0xC6, 0xC6, 0xC6, 0x00, 0x00, 0x00, 0x00, }, //0x41, 'A'
{ 0x00, 0x00, 0xFC, 0x66, 0x66, 0x66, 0x7C, 0x66, 0x66, 0x66, 0x66, 0xFC, 0x00, 0x00, 0x00, 0x00, }, //0x42, 'B'
{ 0x00, 0x00, 0x3C, 0x66, 0xC2, 0xC0, 0xC0, 0xC0, 0xC0, 0xC2, 0x66, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x43, 'C'
{ 0x00, 0x00, 0xF8, 0x6C, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x6C, 0xF8, 0x00, 0x00, 0x00, 0x00, }, //0x44, 'D'
{ 0x00, 0x00, 0xFE, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x62, 0x66, 0xFE, 0x00, 0x00, 0x00, 0x00, }, //0x45, 'E'
{ 0x00, 0x00, 0xFE, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x60, 0x60, 0xF0, 0x00, 0x00, 0x00, 0x00, }, //0x46, 'F'
{ 0x00, 0x00, 0x3C, 0x66, 0xC2, 0xC0, 0xC0, 0xDE, 0xC6, 0xC6, 0x66, 0x3A, 0x00, 0x00, 0x00, 0x00, }, //0x47, 'G'
{ 0x00, 0x00, 0xC6, 0xC6, 0xC6, 0xC6, 0xFE, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x00, 0x00, 0x00, 0x00, }, //0x48, 'H'
{ 0x00, 0x00, 0x3C, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x49, 'I'
{ 0x00, 0x00, 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0xCC, 0xCC, 0xCC, 0x78, 0x00, 0x00, 0x00, 0x00, }, //0x4A, 'J'
{ 0x00, 0x00, 0xE6, 0x66, 0x66, 0x6C, 0x78, 0x78, 0x6C, 0x66, 0x66, 0xE6, 0x00, 0x00, 0x00, 0x00, }, //0x4B, 'K'
{ 0x00, 0x00, 0xF0, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x62, 0x66, 0xFE, 0x00, 0x00, 0x00, 0x00, }, //0x4C, 'L'
{ 0x00, 0x00, 0xC6, 0xEE, 0xFE, 0xFE, 0xD6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x00, 0x00, 0x00, 0x00, }, //0x4D, 'M'
{ 0x00, 0x00, 0xC6, 0xE6, 0xF6, 0xFE, 0xDE, 0xCE, 0xC6, 0xC6, 0xC6, 0xC6, 0x00, 0x00, 0x00, 0x00, }, //0x4E, 'N'
{ 0x00, 0x00, 0x7C, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x4F, 'O'
{ 0x00, 0x00, 0xFC, 0x66, 0x66, 0x66, 0x7C, 0x60, 0x60, 0x60, 0x60, 0xF0, 0x00, 0x00, 0x00, 0x00, }, //0x50, 'P'
{ 0x00, 0x00, 0x7C, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xD6, 0xDE, 0x7C, 0x0C, 0x0E, 0x00, 0x00, }, //0x51, 'Q'
{ 0x00, 0x00, 0xFC, 0x66, 0x66, 0x66, 0x7C, 0x6C, 0x66, 0x66, 0x66, 0xE6, 0x00, 0x00, 0x00, 0x00, }, //0x52, 'R'
{ 0x00, 0x00, 0x7C, 0xC6, 0xC6, 0x60, 0x38, 0x0C, 0x06, 0xC6, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x53, 'S'
{ 0x00, 0x00, 0x7E, 0x7E, 0x5A, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x54, 'T'
{ 0x00, 0x00, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x55, 'U'
{ 0x00, 0x00, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x6C, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, }, //0x56, 'V'
{ 0x00, 0x00, 0xC6, 0xC6, 0xC6, 0xC6, 0xD6, 0xD6, 0xD6, 0xFE, 0xEE, 0x6C, 0x00, 0x00, 0x00, 0x00, }, //0x57, 'W'
{ 0x00, 0x00, 0xC6, 0xC6, 0x6C, 0x7C, 0x38, 0x38, 0x7C, 0x6C, 0xC6, 0xC6, 0x00, 0x00, 0x00, 0x00, }, //0x58, 'X'
{ 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x59, 'Y'
{ 0x00, 0x00, 0xFE, 0xC6, 0x86, 0x0C, 0x18, 0x30, 0x60, 0xC2, 0xC6, 0xFE, 0x00, 0x00, 0x00, 0x00, }, //0x5A, 'Z'
{ 0x00, 0x00, 0x3C, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x5B, '['
{ 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0x70, 0x38, 0x1C, 0x0E, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00, }, //0x5C, '\'
{ 0x00, 0x00, 0x3C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x5D, ']'
{ 0x10, 0x38, 0x6C, 0xC6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x5E, '^'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, }, //0x5F, '_'
{ 0x30, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x60, '`'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x0C, 0x7C, 0xCC, 0xCC, 0xCC, 0x76, 0x00, 0x00, 0x00, 0x00, }, //0x61, 'a'
{ 0x00, 0x00, 0xE0, 0x60, 0x60, 0x78, 0x6C, 0x66, 0x66, 0x66, 0x66, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x62, 'b'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7C, 0xC6, 0xC0, 0xC0, 0xC0, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x63, 'c'
{ 0x00, 0x00, 0x1C, 0x0C, 0x0C, 0x3C, 0x6C, 0xCC, 0xCC, 0xCC, 0xCC, 0x76, 0x00, 0x00, 0x00, 0x00, }, //0x64, 'd'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7C, 0xC6, 0xFE, 0xC0, 0xC0, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x65, 'e'
{ 0x00, 0x00, 0x38, 0x6C, 0x64, 0x60, 0xF0, 0x60, 0x60, 0x60, 0x60, 0xF0, 0x00, 0x00, 0x00, 0x00, }, //0x66, 'f'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0x7C, 0x0C, 0xCC, 0x78, 0x00, }, //0x67, 'g'
{ 0x00, 0x00, 0xE0, 0x60, 0x60, 0x6C, 0x76, 0x66, 0x66, 0x66, 0x66, 0xE6, 0x00, 0x00, 0x00, 0x00, }, //0x68, 'h'
{ 0x00, 0x00, 0x18, 0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x69, 'i'
{ 0x00, 0x00, 0x06, 0x06, 0x00, 0x0E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x66, 0x66, 0x3C, 0x00, }, //0x6A, 'j'
{ 0x00, 0x00, 0xE0, 0x60, 0x60, 0x66, 0x6C, 0x78, 0x78, 0x6C, 0x66, 0xE6, 0x00, 0x00, 0x00, 0x00, }, //0x6B, 'k'
{ 0x00, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00, 0x00, 0x00, 0x00, }, //0x6C, 'l'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xEC, 0xFE, 0xD6, 0xD6, 0xD6, 0xD6, 0xC6, 0x00, 0x00, 0x00, 0x00, }, //0x6D, 'm'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xDC, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00, }, //0x6E, 'n'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7C, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x6F, 'o'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xDC, 0x66, 0x66, 0x66, 0x66, 0x66, 0x7C, 0x60, 0x60, 0xF0, 0x00, }, //0x70, 'p'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0x7C, 0x0C, 0x0C, 0x1E, 0x00, }, //0x71, 'q'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xDC, 0x76, 0x66, 0x60, 0x60, 0x60, 0xF0, 0x00, 0x00, 0x00, 0x00, }, //0x72, 'r'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x7C, 0xC6, 0x60, 0x38, 0x0C, 0xC6, 0x7C, 0x00, 0x00, 0x00, 0x00, }, //0x73, 's'
{ 0x00, 0x00, 0x10, 0x30, 0x30, 0xFC, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1C, 0x00, 0x00, 0x00, 0x00, }, //0x74, 't'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0x76, 0x00, 0x00, 0x00, 0x00, }, //0x75, 'u'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x00, 0x00, 0x00, 0x00, }, //0x76, 'v'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xC6, 0xC6, 0xD6, 0xD6, 0xD6, 0xFE, 0x6C, 0x00, 0x00, 0x00, 0x00, }, //0x77, 'w'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xC6, 0x6C, 0x38, 0x38, 0x38, 0x6C, 0xC6, 0x00, 0x00, 0x00, 0x00, }, //0x78, 'x'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x7E, 0x06, 0x0C, 0xF8, 0x00, }, //0x79, 'y'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xCC, 0x18, 0x30, 0x60, 0xC6, 0xFE, 0x00, 0x00, 0x00, 0x00, }, //0x7A, 'z'
{ 0x00, 0x00, 0x0E, 0x18, 0x18, 0x18, 0x70, 0x18, 0x18, 0x18, 0x18, 0x0E, 0x00, 0x00, 0x00, 0x00, }, //0x7B, '{'
{ 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, }, //0x7C, '|'
{ 0x00, 0x00, 0x70, 0x18, 0x18, 0x18, 0x0E, 0x18, 0x18, 0x18, 0x18, 0x70, 0x00, 0x00, 0x00, 0x00, }, //0x7D, '}'
{ 0x00, 0x00, 0x76, 0xDC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x7E, '~'
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, //0x7F, delete
};
static void fb_draw_char(FBContext *fb, int x, int y, char c, uint32_t color) {
unsigned char *ch = font8x16[(unsigned char)c];
for(int row=0; row<16; row++)
for(int col=0; col<8; col++)
if(ch[row] & (1 << (7-col)))
fb_putpixel(fb, x+col, y+row, color);
}
static void fb_draw_text(FBContext *fb, int x, int y, const char* text, uint32_t color){
while(*text){
fb_draw_char(fb,x,y,*text++,color);
x+=8;
}
}
#endif // PIXELFB_H